/* شطرنج — own look. 🎨 كارتون (default) = mint & cream board, chunky outlined pieces · 🎯 عادي = walnut tournament board */
:root{--bg:#15100c;--bg2:#2e2219;--ink:#f5ede4;--muted:#c4b2a0;--card:#211812;--line:#4a3728;--acc:#e9c46a;--acc2:#8a6a1c;--field:#100b08;
  --light:#ecd9b9;--dark:#a77b56;--wp:#fffdf6;--bp:#2a211b;--pstroke:#1a120c;--hl:#f6e05e88;--frame:#3b2a1d;color-scheme:dark;font-family:"Segoe UI",Tahoma,system-ui,sans-serif}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;overflow-x:hidden;color:var(--ink)}
body{min-height:100vh;user-select:none;background:radial-gradient(110% 70% at 50% 0,var(--bg2),var(--bg) 70%) fixed,var(--bg)}
.page{width:min(100%,620px);margin:auto;padding:max(10px,env(safe-area-inset-top)) 12px max(24px,env(safe-area-inset-bottom))}
.topline{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:12px}
.topline .brand-line{margin:0;min-width:0}
.icon{flex:none;width:40px;height:40px;border:1px solid var(--line);border-radius:12px;background:var(--card);color:var(--ink);font-size:17px;cursor:pointer}
.theme-switch{display:flex;width:max-content;margin:0 auto 14px;padding:4px;gap:4px;border:1px solid var(--line);border-radius:999px;background:var(--card)}
.theme-switch button{border:0;border-radius:999px;padding:8px 16px;background:transparent;color:var(--muted);font:inherit;font-size:15px;font-weight:800;cursor:pointer}
.theme-switch button[aria-pressed="true"]{background:linear-gradient(180deg,#f6dc95,var(--acc));color:#1b2a14}
.sinan-credit{margin:18px auto 0;text-align:center;color:var(--muted);font-size:11px;letter-spacing:1.5px;font-weight:800}
.sinan-credit b{color:var(--acc);font-size:14px}
[hidden]{display:none!important}

/* home */
.hero{display:flex;align-items:center;gap:14px;margin:0 0 14px;padding:14px 16px;border:1px solid #f4b86055;border-radius:22px;background:linear-gradient(135deg,#7f5539,#2e2219);box-shadow:0 12px 28px #0006}
.hero h1{margin:0;font-size:34px;line-height:1.1;color:var(--acc)}
.hero p{margin:4px 0 0;color:var(--muted);font-size:14px;font-weight:700}
.hero-pcs{display:flex;gap:2px;flex:none}
.hero-pcs .pc{position:relative;font-size:52px;line-height:1}
.wait .pc{font-size:34px}
.bounce{display:inline-block;animation:bounce .9s ease-in infinite alternate}
@keyframes bounce{from{transform:translateY(-10px)}to{transform:translateY(3px)}}
.card{padding:14px;border:1px solid var(--line);border-radius:20px;background:var(--card);box-shadow:0 12px 26px #0005;margin-bottom:12px}
.lbl{display:block;margin:0 4px 6px;font-weight:800}
.inp{width:100%;height:50px;padding:0 14px;border:1px solid var(--line);border-radius:14px;background:var(--field);color:var(--ink);font:inherit;font-size:18px;font-weight:700;user-select:text}
.inp:focus{outline:2px solid var(--acc)}
.opt{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap;margin-top:12px;font-weight:700;color:var(--muted)}
.pick{display:flex;gap:6px}
.pick button{min-width:46px;padding:7px 12px;border:1px solid var(--line);border-radius:999px;background:var(--field);color:var(--ink);font:inherit;font-weight:800;cursor:pointer}
.pick button[aria-pressed="true"]{background:linear-gradient(180deg,#ffd89a,var(--acc));color:#2b1405;border-color:transparent}
.note{margin:10px 2px 0;font-size:13px;font-weight:700;color:var(--muted)}
.modes{display:grid;gap:10px}
.mode{display:flex;flex-direction:column;align-items:flex-start;gap:2px;padding:16px;border:0;border-radius:20px;color:#fff;font:inherit;text-align:right;cursor:pointer;box-shadow:0 6px 0 #00000055}
.mode b{font-size:22px}.mode small{font-size:14px;font-weight:700;opacity:.9}
.mode.solo{background:linear-gradient(135deg,#9c6644,#6f4518)}
.mode.local{background:linear-gradient(135deg,#06d6a0,#078c6b)}
.mode.duo{background:linear-gradient(135deg,#ef476f,#b5179e)}
.mode:active{transform:translateY(4px);box-shadow:0 2px 0 #00000055}
.sub{margin:-4px 0 4px}
.sub .opt{margin-top:0}
.msg{min-height:20px;text-align:center;font-weight:800;color:#ffb4a2}
.btn{display:block;width:100%;margin-top:10px;padding:14px;border:1px solid var(--line);border-radius:16px;background:transparent;color:var(--ink);font:inherit;font-size:17px;font-weight:800;cursor:pointer}
.btn.main{border:0;background:linear-gradient(180deg,#ffd89a,var(--acc));color:#2b1405;box-shadow:0 5px 0 var(--acc2)}
.btn.main:active{transform:translateY(3px);box-shadow:0 2px 0 var(--acc2)}
h2{margin:0 0 6px;text-align:center}
.hint{text-align:center;color:var(--muted);font-weight:700;font-size:14px}
.share-row{display:grid;grid-template-columns:2fr 1fr;gap:8px}
.share-row .btn{margin-top:0}
.wait{display:flex;align-items:center;justify-content:center;gap:12px;margin:18px 0 6px;font-size:18px}

/* players strip */
.players{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:8px;margin-bottom:10px}
.pl{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:2px 8px;padding:8px 10px;border:1px solid var(--line);border-radius:16px;background:var(--card);min-width:0;transition:.2s}
.pl .nm{font-weight:800;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pl .sc{font-size:22px;color:var(--acc)}
.pl .pip{grid-column:1/-1;font-size:11px;color:var(--muted);font-weight:700}
.pl.now{border-color:var(--acc);box-shadow:0 0 0 2px var(--acc),0 0 18px #ffd16666}
.chip{width:18px;height:18px;border-radius:50%;border:2px solid var(--pcline)}
.chip{display:inline-block;vertical-align:middle}
.chip.c1{background:radial-gradient(circle at 35% 30%,var(--r1),var(--r2))}
.chip.c2{background:radial-gradient(circle at 35% 30%,var(--y1),var(--y2))}
.tgt{font-weight:800;color:var(--muted);text-align:center}

/* board */
.pl{display:flex;align-items:center;gap:8px;padding:8px 12px;margin:6px 0;border:1px solid var(--line);border-radius:14px;background:var(--card);font-weight:800}
.pl .nm{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:45%}
.pl .caps{flex:1;font-size:18px;letter-spacing:-3px;color:var(--muted);direction:ltr;text-align:left;overflow:hidden;white-space:nowrap}
.pl .sc{color:var(--acc)}
.chip.w{background:var(--wp)}.chip.b{background:var(--bp)}
.board{display:grid;grid-template-columns:repeat(8,1fr);width:100%;aspect-ratio:1;border-radius:10px;overflow:hidden;box-shadow:0 0 0 7px var(--frame),0 18px 36px #000a;touch-action:manipulation;container-type:inline-size;margin:14px 0}
.sq{position:relative;display:grid;place-items:center;aspect-ratio:1;padding:0;border:0;background:var(--light);cursor:pointer;font:inherit}
.sq.d{background:var(--dark)}
.sq.last{box-shadow:inset 0 0 0 100vmax var(--hl)}
.sq.sel{box-shadow:inset 0 0 0 100vmax #7bdcb5aa}
.sq.check{background:radial-gradient(circle,#ff4d4d 0,#ff4d4d88 45%,transparent 75%),var(--light)}
.sq.d.check{background:radial-gradient(circle,#ff4d4d 0,#ff4d4d88 45%,transparent 75%),var(--dark)}
.sq.dst::after{content:"";position:absolute;width:30%;aspect-ratio:1;border-radius:50%;background:#1a120c44}
.sq.hit::after{content:"";position:absolute;inset:4%;border-radius:50%;border:4px solid #1a120c55}
.sq small{position:absolute;font-size:2.3cqw;font-weight:800;opacity:.6;line-height:1}
.sq .rk{top:3%;left:5%}.sq .fl{bottom:3%;right:6%}
.sq.l small{color:var(--dark)}.sq.d small{color:var(--light)}
.pc{position:relative;display:block;font-style:normal;font-size:10cqw;line-height:1;font-family:"Segoe UI Symbol","DejaVu Sans","Noto Sans Symbols 2",sans-serif;pointer-events:none;user-select:none}
.pc.w{color:var(--wp);-webkit-text-stroke:1.2px var(--pstroke);text-shadow:0 2px 2px #0006}
.pc.b{color:var(--bp);-webkit-text-stroke:.8px #000;text-shadow:0 2px 2px #0005}
.sq.can .pc{filter:drop-shadow(0 0 4px #ffe066)}
.actions{display:grid;margin-top:4px}
.promo{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:10px}
.promo button{display:grid;place-items:center;aspect-ratio:1;border:2px solid var(--line);border-radius:14px;background:var(--light);cursor:pointer;container-type:inline-size}
.promo .pc{font-size:44px}
.turnbar b{color:var(--ink)}

.turnbar{min-height:30px;margin:12px 0 4px;text-align:center;font-weight:800;color:var(--muted)}
.turnbar.mine{color:var(--acc);font-size:17px}
.rules{margin-top:14px;padding:10px 14px;border:1px solid var(--line);border-radius:16px;background:var(--card)}
.rules summary{font-weight:800;cursor:pointer}
.rules p{margin:8px 0 2px;line-height:1.7;color:var(--muted);font-weight:600}

/* toast + modal */
.toast{position:fixed;z-index:30;left:50%;top:max(16px,env(safe-area-inset-top));transform:translateX(-50%);width:max-content;max-width:92vw;padding:12px 18px;border-radius:16px;background:#000c;color:#fff;font-weight:800;text-align:center;box-shadow:0 10px 26px #0008}
.toast.on{animation:drop .35s ease}
@keyframes drop{0%{transform:translate(-50%,-30px);opacity:0}100%{transform:translate(-50%,0);opacity:1}}
.overlay{position:fixed;inset:0;z-index:20;display:grid;place-items:center;padding:16px;background:#050818cc;backdrop-filter:blur(4px)}
.modal{width:min(100%,380px);padding:20px;border-radius:24px;background:linear-gradient(180deg,#1d4ed8,#0b1a4a);border:1px solid #ffd16666;text-align:center;box-shadow:0 20px 60px #000a;animation:pop .4s ease}
@keyframes pop{0%{transform:scale(.7);opacity:0}100%{transform:none;opacity:1}}
.modal .big{font-size:58px}
.modal h2{margin:4px 0}
.modal p{font-weight:800;color:var(--acc);font-size:17px}

/* 🎨 كارتون — candy board, ink outlines, flat shadows */
body.kids{--bg:#d8f3dc;--bg2:#f1fff4;--ink:#1b2a24;--muted:#40695a;--card:#fff;--line:#1b2a24;--acc:#ff7b00;--acc2:#1b2a24;--field:#f6fff8;
  --light:#fdf6e3;--dark:#7bc8a4;--wp:#ffffff;--bp:#33415c;--pstroke:#1b2a24;--hl:#ffe06699;--frame:#1b2a24;color-scheme:light;font-family:"Baloo Bhaijaan 2","Segoe UI",Tahoma,system-ui,sans-serif}
body.kids{background:radial-gradient(#1b2a2414 2px,transparent 2.5px) 0 0/24px 24px,linear-gradient(180deg,var(--bg2),var(--bg)) fixed}
body.kids .icon,body.kids .theme-switch,body.kids .pl,body.kids .rules{border:2px solid var(--line);box-shadow:3px 3px 0 var(--line)}
body.kids .theme-switch button[aria-pressed="true"]{background:#ffb703;color:var(--ink)}
body.kids .hero{border:3px solid var(--line);background:linear-gradient(135deg,#52b788,#2d6a4f);box-shadow:5px 5px 0 var(--line)}
body.kids .hero h1{color:#fff;text-shadow:2px 2px 0 var(--line),-1px -1px 0 var(--line),1px -1px 0 var(--line),-1px 1px 0 var(--line)}
body.kids .hero p{color:#fff;text-shadow:1px 1px 0 var(--line)}
body.kids .card{border:3px solid var(--line);box-shadow:5px 5px 0 var(--line)}
body.kids .inp{border:2.5px solid var(--line)}
body.kids .pick button{border:2px solid var(--line);background:#fff}
body.kids .pick button[aria-pressed="true"]{background:#ffb703;color:var(--ink)}
body.kids .mode{border:3px solid var(--line);box-shadow:0 6px 0 var(--line);text-shadow:1px 1px 0 var(--line)}
body.kids .mode.solo{background:#4361ee}body.kids .mode.local{background:#2d6a4f}body.kids .mode.duo{background:#ff7b00}
body.kids .btn{border:3px solid var(--line);background:#fff}
body.kids .btn.main{background:#ffb703;color:var(--ink);box-shadow:0 5px 0 var(--line)}
body.kids .pl .sc{color:#ff7b00}
body.kids .pl.now{box-shadow:0 0 0 3px #ffb703,3px 3px 0 var(--line)}
body.kids .board{border:3px solid var(--line);box-shadow:6px 6px 0 var(--line)}
body.kids .pl{border:2px solid var(--line);box-shadow:3px 3px 0 var(--line)}
body.kids .pc.w{-webkit-text-stroke:2px var(--pstroke);text-shadow:0 3px 0 #1b2a2455}
body.kids .pc.b{color:#33415c;-webkit-text-stroke:1.5px #0b1320;text-shadow:0 3px 0 #1b2a2455}
body.kids .promo button{border:3px solid var(--line)}
body.kids .turnbar.mine{color:#d62828}
body.kids .toast{background:#fff;color:var(--ink);border:3px solid var(--line);box-shadow:4px 4px 0 var(--line)}
body.kids .overlay{background:#1b2a2499}
body.kids .modal{border:3px solid var(--line);background:#fffaf0;box-shadow:6px 6px 0 var(--line)}
body.kids .modal p{color:#d62828}
body.kids .msg{color:#d62828}
body.kids .sinan-credit b{color:#ff7b00}

/* ===== pro look (owner 2026-10-28): cburnett pieces, tournament boards, puzzles & openings ===== */
:root{--light:#f0d9b5;--dark:#b58863;--frame:#5b3a22;--hl:#cdd26a99}
body.kids{--light:#eeeed2;--dark:#769656;--frame:#1b2a24;--hl:#f6f66999}
.pc{width:90%;height:90%;object-fit:contain;filter:drop-shadow(0 2px 1.5px #0005);-webkit-user-drag:none}
img.pc{font-size:0}
.sq.can .pc{filter:drop-shadow(0 0 5px #ffe066) drop-shadow(0 2px 1.5px #0005)}
.sq.hint{box-shadow:inset 0 0 0 4px #4cc9f0,inset 0 0 18px #4cc9f0aa}
.sq.wrong{animation:wrong .4s;box-shadow:inset 0 0 0 100vmax #ff4d4d66}
@keyframes wrong{25%{transform:translateX(-4px)}75%{transform:translateX(4px)}}
.sq.dst::after{width:28%;background:#0000002e}
.sq.hit::after{inset:3%;border:5px solid #0000002e}
.board{border-radius:8px}
.hero-pcs img{width:56px;height:56px;filter:drop-shadow(0 4px 4px #0006)}
.hero-pcs img+img{margin-inline-start:-14px;transform:translateY(6px)}
.pl .caps{letter-spacing:0;display:flex;gap:0;align-items:center}
.pl .caps img{width:20px;height:20px;margin-inline-end:-6px}
.promo .pc{width:78%;height:78%}
.opening{display:flex;align-items:baseline;flex-wrap:wrap;gap:4px 8px;justify-content:center;margin:2px 0 0;padding:8px 12px;border:1px solid var(--line);border-radius:14px;background:var(--card);font-weight:800}
.opening small{color:var(--muted);font-size:12px}.opening b{color:var(--acc)}.opening span{color:var(--muted);font-size:12px;font-weight:700}
.actions{grid-template-columns:1fr 1fr;gap:8px}.actions .btn{margin-top:0}
.actions .btn[hidden]{display:none}.actions:has(#hintBtn[hidden]){grid-template-columns:1fr}
#hintBtn b{display:inline-grid;place-items:center;min-width:24px;height:24px;border-radius:50%;background:var(--acc);color:#2b1405;font-size:14px}
.pz-modes{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.mode.puzzle{background:linear-gradient(135deg,#7209b7,#3a0ca3)}
.mode.daily{background:linear-gradient(135deg,#f77f00,#d62828)}
.pz-top{display:flex;align-items:center;gap:8px;margin-bottom:10px}
.pz-lvls{flex:1;justify-content:center;flex-wrap:wrap}
.pz-info{display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap;font-size:18px}
.tag{padding:3px 10px;border:1px solid var(--line);border-radius:999px;background:var(--card);font-size:13px;font-weight:800;color:var(--muted)}
.tag[hidden]{display:none}
.turnbar.good{color:#2d9d5a}.turnbar.bad{color:#e63946}
.pz-actions{display:grid;grid-template-columns:1fr 1fr 1.2fr;gap:8px}.pz-actions .btn{margin-top:0;padding:12px 6px;font-size:15px}
.pz-prog{text-align:center}
.lic{margin:4px 0 0;text-align:center;font-size:10px;color:var(--muted);opacity:.75}
body.kids .opening,body.kids .tag{border:2px solid var(--line);box-shadow:2px 2px 0 var(--line)}
body.kids .mode.puzzle{background:#7209b7}body.kids .mode.daily{background:#e85d04}
body.kids .pc{filter:drop-shadow(0 2px 0 #1b2a2455)}
body.kids .sq small{font-weight:900}

/* board colour (owner 2026-10-31) — body[data-board]: bw = white & black (default) · cur = the look's own board · red = white & red */
body[data-board="bw"]{--light:#f2f2f2;--dark:#4d4d4d;--hl:#f6e05e99}
body[data-board="red"]{--light:#faf3ea;--dark:#c0392b;--hl:#ffe06699}
body[data-board="bw"] .sq.d .pc,body[data-board="red"] .sq.d .pc{filter:drop-shadow(0 0 1px #fffc) drop-shadow(0 2px 1.5px #0006)}
.boardpick{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:8px;margin:10px 0}
.boardpick>span{font-weight:800;font-size:14px}
.boardpick button{display:flex;align-items:center;gap:6px;padding:5px 10px 5px 6px;border:2px solid var(--line,#0003);border-radius:999px;background:var(--card,#ffffff14);color:inherit;font:inherit;font-size:13px;font-weight:800;cursor:pointer}
.boardpick button[aria-pressed="true"]{border-color:#f5b700;box-shadow:0 0 0 2px #f5b70066}
.boardpick i{width:22px;height:22px;border-radius:6px;border:1px solid #0004;background:conic-gradient(var(--b) 0 25%,var(--a) 0 50%,var(--b) 0 75%,var(--a) 0) 0 0/11px 11px}
.bp-bw{--a:#f2f2f2;--b:#4d4d4d}.bp-red{--a:#faf3ea;--b:#c0392b}
.bp-cur{--a:#f0d9b5;--b:#b58863}body.kids .bp-cur{--a:#eeeed2;--b:#769656}
.boardpick{flex-wrap:nowrap;gap:5px}.boardpick>span{font-size:12px;white-space:nowrap}.boardpick button{gap:4px;padding:4px 8px 4px 4px;font-size:12px;white-space:nowrap}.boardpick i{width:18px;height:18px;background-size:9px 9px}